South Pole Telescope Design
8 December 2003

 

South Pole Telescope Design

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bulletSPST320
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bulletSPST208
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bulletSPST129 summary
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SPST208 - Four mirrors plus lens after chopper, some attempt to constrain quality of Lyot stop illumination.

Figure 1 - Side view, all fields

Figure 2 - Side view, field 1

Figure 3 - Side view, field 10

Figure 4 - Detail of Fig. 1

Figure 5 - Detail of Fig. 2

Figure 6 - detail of Fig. 3

Figure 7 - Detail of Fig.1 near dewar.  Disks near  Lyot stop are 250 mm diameter, 50 mm apart.

Figure 8 - Detail of Fig. 2 near detector.  Lens is silicon, 400 mm diameter, plano- convex.

Figure 9 - detail of Fig 3 near detector

Figure 10 --- star's eye view, random rays.

Figure 11 - front view, field 10

Figure 12 --- RMS wavefront error vs. field

Figure 13 --- primary illumination, central field

Figure 14 - primary illumination, field 4.  This field is "typical" of most of the detector area.

Figure 15 -  Primary illumination, field 10.  This is the worst one. This field participates in a cuspy peculiarity at mirror 5 that is corrected in subsequent models.